88 lines
2.3 KiB
Text
88 lines
2.3 KiB
Text
TOPDIR = $(shell pwd)
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ARCH = x86
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NAME = metalsvm.bin
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SYM_NAME = metalsvm.sym
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LWIPDIRS = lwip/src/api lwip/src/core lwip/src/core/ipv4 lwip/src/netif
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DRIVERDIRS = drivers/net
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KERNDIRS = libkern kernel mm fs arch/$(ARCH)/kernel arch/$(ARCH)/mm $(LWIPDIRS) $(DRIVERDIRS)
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SUBDIRS = $(KERNDIRS)
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#OBJS = $(shell for i in $(KERNDIRS); do find $$i -name *.o; done)
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OBJCOPY = objcopy
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STRIP_DEBUG = --strip-debug
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KEEP_DEBUG = --only-keep-debug
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MAKE = make
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NASM = nasm
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NASMFLAGS = -felf32 -g
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INCLUDE = -I$(TOPDIR)/include -I$(TOPDIR)/arch/$(ARCH)/include -I$(TOPDIR)/lwip/src/include -I$(TOPDIR)/lwip/src/include/ipv4 -I$(TOPDIR)/drivers
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CC = gcc
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CFLAGS = -g -m32 -march=i586 -Wall -O2 -fno-zero-initialized-in-bss -fno-builtin-function -fstrength-reduce -fomit-frame-pointer -finline-functions -nostdinc $(INCLUDE) -fno-stack-protector
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AR = ar
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ARFLAGS = rsv
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RM = rm -rf
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LD = ld
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LDFLAGS = -T link.ld -z max-page-size=4096 --defsym __BUILD_DATE=$(shell date +'%Y%m%d') --defsym __BUILD_TIME=$(shell date +'%H%M%S')
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# Prettify output
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V = 0
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ifeq ($V,0)
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Q = @
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P = > /dev/null
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endif
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default: all
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all: newlib tools $(NAME)
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#all:
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# for i in $(SUBDIRS); do $(MAKE) -C $$i all; done
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# $(MAKE) link
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#link:
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# $(LD) $(LDFLAGS) -o $(NAME) $(OBJS)
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# $(OBJCOPY) $(KEEP_DEBUG) $(NAME) $(SYM_NAME)
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# $(OBJCOPY) $(STRIP_DEBUG) $(NAME)
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newlib:
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$(MAKE) ARCH=$(ARCH) LDFLAGS="-m32" CFLAGS="-m32 -O2 -march=i586 -fno-stack-protector" NASMFLAGS="-felf32 -g" -C newlib
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tools:
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$(MAKE) -C tools
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$(NAME):
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$Q$(LD) $(LDFLAGS) -o $(NAME) $^
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@echo [OBJCOPY] $(SYM_NAME)
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$Q$(OBJCOPY) $(KEEP_DEBUG) $(NAME) $(SYM_NAME)
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@echo [OBJCOPY] $(NAME)
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$Q$(OBJCOPY) $(STRIP_DEBUG) $(NAME)
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qemu: newlib tools $(NAME)
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qemu -no-kvm -smp 2 -net nic,model=rtl8139 -net user,hostfwd=tcp::12345-:7 -net dump -kernel metalsvm.bin -initrd tools/initrd.img
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clean:
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$Q$(RM) $(NAME) $(SYM_NAME) *~
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$Q$(MAKE) -C tools clean
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@echo Cleaned.
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veryclean: clean
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$Q$(MAKE) -C newlib veryclean
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@echo Very cleaned
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#depend:
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# for i in $(SUBDIRS); do $(MAKE) -k -C $$i depend; done
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%.o : %.c
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@echo [CC] $@
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$Q$(CC) -c -D__KERNEL__ $(CFLAGS) -o $@ $<
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@echo [DEP] $*.dep
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$Q$(CC) -MF $*.dep -MT $*.o -MM $(CFLAGS) $<
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%.o : %.asm
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@echo [ASM] $@
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$Q$(NASM) $(NASMFLAGS) -o $@ $<
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.PHONY: default all clean emu gdb newlib tools
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include $(addsuffix /Makefile,$(SUBDIRS))
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